When the awareness of one's (highly) functional memory keeps one from studying/preparing for an exam in a rational way, usually manifesting itself in binge watching TV shows on Netflix, the discovery of new interests, and Googling random celebrities.

That girl has a serious case of memory arrogance- she thinks she is still going to do well on the exam, but only read the notes once then spent the rest of the night Googling celebrity doppelgangers.